diff --git a/action-node/src/main/java/me/retrodaredevil/action/node/expression/result/SimpleNumericExpressionResult.java b/action-node/src/main/java/me/retrodaredevil/action/node/expression/result/SimpleNumericExpressionResult.java
index a8a5d70e..6a81dac5 100644
--- a/action-node/src/main/java/me/retrodaredevil/action/node/expression/result/SimpleNumericExpressionResult.java
+++ b/action-node/src/main/java/me/retrodaredevil/action/node/expression/result/SimpleNumericExpressionResult.java
@@ -1,7 +1,5 @@
 package me.retrodaredevil.action.node.expression.result;
 
-import java.util.Objects;
-
 import static java.util.Objects.requireNonNull;
 
 final class SimpleNumericExpressionResult implements NumericExpressionResult {
@@ -27,6 +25,6 @@ public boolean equals(Object o) {
 
 	@Override
 	public int hashCode() {
-		return Objects.hashCode(number.doubleValue());
+		return Double.hashCode(number.doubleValue());
 	}
 }
diff --git a/server/src/main/java/me/retrodaredevil/solarthing/rest/database/InMemoryReplicatorConfig.java b/server/src/main/java/me/retrodaredevil/solarthing/rest/database/InMemoryReplicatorConfig.java
index 970d8372..6a633153 100644
--- a/server/src/main/java/me/retrodaredevil/solarthing/rest/database/InMemoryReplicatorConfig.java
+++ b/server/src/main/java/me/retrodaredevil/solarthing/rest/database/InMemoryReplicatorConfig.java
@@ -65,16 +65,16 @@ public String getDocumentId() {
 	/**
 	 * @param inMemoryCouch The {@link CouchProperties} the in memory database can use to refer to itself. {@link CouchProperties#getUri()} should be a localhost address.
 	 * @param externalCouch The external {@link CouchProperties} the in memory database can use to refer to the external database.
-	 * @return
+	 * @return A {@link SimpleReplicatorDocument.Builder} that has the source/target set automatically based on {@link #externalIsTarget}
 	 */
 	public SimpleReplicatorDocument.Builder createDocumentBuilder(CouchProperties inMemoryCouch, CouchProperties externalCouch) {
 		ReplicatorSource inMemoryDatabase = createSource(inMemoryCouch, databaseType.getName());
 		ReplicatorSource externalDatabase = createSource(externalCouch, databaseType.getName());
 
-		SimpleReplicatorDocument.Builder builder =  SimpleReplicatorDocument.builder(
-						externalIsTarget ? inMemoryDatabase : externalDatabase,
-						externalIsTarget ? externalDatabase : inMemoryDatabase
-				);
+		SimpleReplicatorDocument.Builder builder = SimpleReplicatorDocument.builder(
+				externalIsTarget ? inMemoryDatabase : externalDatabase,
+				externalIsTarget ? externalDatabase : inMemoryDatabase
+		);
 		// do not make it continuous if we are replication a certain duration.
 		//   I have found that if you do make it continuous, the replication will remain triggered, which will not allow it to be updated
 		if (duplicatePastDuration == null) {
diff --git a/server/src/main/java/me/retrodaredevil/solarthing/rest/graphql/SolarThingGraphQLExtensions.java b/server/src/main/java/me/retrodaredevil/solarthing/rest/graphql/SolarThingGraphQLExtensions.java
index d3ce9ff8..ce22489e 100644
--- a/server/src/main/java/me/retrodaredevil/solarthing/rest/graphql/SolarThingGraphQLExtensions.java
+++ b/server/src/main/java/me/retrodaredevil/solarthing/rest/graphql/SolarThingGraphQLExtensions.java
@@ -68,11 +68,11 @@ public float getControllerTemperatureFahrenheit(@GraphQLContext TracerStatusPack
 		return "" + identifiable.getDataId();
 	}
 	@GraphQLQuery
-	public @NotNull boolean isActive(@GraphQLContext ActivePeriod activePeriod, @GraphQLArgument(name = "dateMillis") long dateMillis) {
+	public boolean isActive(@GraphQLContext ActivePeriod activePeriod, @GraphQLArgument(name = "dateMillis") long dateMillis) {
 		return activePeriod.isActive(dateMillis);
 	}
 	@GraphQLQuery
-	public @NotNull boolean isActiveNow(@GraphQLContext ActivePeriod activePeriod) {
+	public boolean isActiveNow(@GraphQLContext ActivePeriod activePeriod) {
 		return activePeriod.isActive(Instant.now());
 	}
 }
diff --git a/server/src/main/java/me/retrodaredevil/solarthing/rest/graphql/service/SolarThingGraphQLService.java b/server/src/main/java/me/retrodaredevil/solarthing/rest/graphql/service/SolarThingGraphQLService.java
index 639141d2..ad92cb2d 100644
--- a/server/src/main/java/me/retrodaredevil/solarthing/rest/graphql/service/SolarThingGraphQLService.java
+++ b/server/src/main/java/me/retrodaredevil/solarthing/rest/graphql/service/SolarThingGraphQLService.java
@@ -232,10 +232,9 @@ public SolarThingStatusQuery(PacketGetter packetGetter, List<? extends Fragmente
 			MetaDatabase metaDatabase = simpleQueryHandler.queryMeta();
 			FXChargingTemperatureAdjustPacket fxChargingTemperatureAdjustPacket = null;
 			// Depending on the date, there could be different configurations. So, this just gets the date of the last packet
-			long currentConfigurationDateMillis = sortedPackets.get(sortedPackets.size() - 1).getDateMillis();
+			long currentConfigurationDateMillis = sortedPackets.getLast().getDateMillis();
 			for (BasicMetaPacket basicMetaPacket : metaDatabase.getMeta(currentConfigurationDateMillis)) {
-				if (basicMetaPacket instanceof TargetMetaPacket) {
-					TargetMetaPacket targetMetaPacket = (TargetMetaPacket) basicMetaPacket;
+				if (basicMetaPacket instanceof TargetMetaPacket targetMetaPacket) {
 					for (TargetedMetaPacket targetedMetaPacket : targetMetaPacket.getPackets()) {
 						if (targetedMetaPacket.getPacketType() == TargetedMetaPacketType.FX_CHARGING_TEMPERATURE_ADJUST) {
 							fxChargingTemperatureAdjustPacket = (FXChargingTemperatureAdjustPacket) targetedMetaPacket;
@@ -280,8 +279,7 @@ public SolarThingStatusQuery(PacketGetter packetGetter, List<? extends Fragmente
 				float sum = 0;
 				int count = 0;
 				for (Packet packet : packetGroup.getPackets()) {
-					if (packet instanceof BatteryVoltage) {
-						BatteryVoltage batteryVoltagePacket = (BatteryVoltage) packet;
+					if (packet instanceof BatteryVoltage batteryVoltagePacket) {
 						float batteryVoltage = batteryVoltagePacket.getBatteryVoltage();
 						sum += batteryVoltage;
 						count++;
diff --git a/server/src/main/java/me/retrodaredevil/solarthing/rest/spring/NioPathPropertyEditorSupport.java b/server/src/main/java/me/retrodaredevil/solarthing/rest/spring/NioPathPropertyEditorSupport.java
index 932b1742..9fe541de 100644
--- a/server/src/main/java/me/retrodaredevil/solarthing/rest/spring/NioPathPropertyEditorSupport.java
+++ b/server/src/main/java/me/retrodaredevil/solarthing/rest/spring/NioPathPropertyEditorSupport.java
@@ -3,6 +3,15 @@
 import java.beans.PropertyEditorSupport;
 import java.nio.file.Path;
 
+/**
+ * This class allows spring configuration to read in string values as {@link Path}s. For example:
+ * <pre>
+ * {@code
+ * @Value("${solarthing.config.database}")
+ * private Path databaseFile;
+ * }
+ * </pre>
+ */
 public class NioPathPropertyEditorSupport extends PropertyEditorSupport {
 	@Override
 	public String getAsText() {
@@ -11,7 +20,7 @@ public String getAsText() {
 	}
 
 	@Override
-	public void setAsText(String text) throws IllegalArgumentException {
+	public void setAsText(String text) {
 		setValue(Path.of(text));
 	}
 }